Home / 1,327,200.38-1,989,539.36-846,077.77

Finding the Fourth Proportional to 1,327,200.38, 1,989,539.36 and 846,077.77

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Solution

The fourth proportional to 1,327,200.38, 1,989,539.36 and 846,077.77 is: 1,268,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,200.38 : 1,989,539.36 = 846,077.77 : x
  2. Step 2: Convert to fraction form
    1,327,200.38/1,989,539.36 = 846,077.77/x
  3. Step 3: Cross multiply
    1,327,200.38x = 1,989,539.36 × 846,077.77
  4. Step 4: Simplify right side
    1,327,200.38x = 1,683,305,015,831.79
  5. Step 5: Solve for x
    x = 1,683,305,015,831.79/1,327,200.38
  6. Step 6: Final answer
    x = 1,268,312.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.